JP2005339775A - 記憶媒体に対するトランスデューサヘッドの位置を検知するための方法、磁気記憶媒体の表面に近接して磁気ヘッドを位置決めするためのサーボ制御システム、磁気記憶媒体に長手方向のサーボトラックを書込むための方法、および長手方向のサーボトラックを含む磁気記憶媒体 - Google Patents

記憶媒体に対するトランスデューサヘッドの位置を検知するための方法、磁気記憶媒体の表面に近接して磁気ヘッドを位置決めするためのサーボ制御システム、磁気記憶媒体に長手方向のサーボトラックを書込むための方法、および長手方向のサーボトラックを含む磁気記憶媒体 Download PDF

Info

Publication number
JP2005339775A
JP2005339775A JP2005149525A JP2005149525A JP2005339775A JP 2005339775 A JP2005339775 A JP 2005339775A JP 2005149525 A JP2005149525 A JP 2005149525A JP 2005149525 A JP2005149525 A JP 2005149525A JP 2005339775 A JP2005339775 A JP 2005339775A
Authority
JP
Japan
Prior art keywords
servo
mark
tone field
storage medium
track
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2005149525A
Other languages
English (en)
Japanese (ja)
Inventor
John A Koski
ジョン・エイ・コスキー
Timothy C Hughes
ティモシー・シィ・ヒューズ
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Quantum Corp
Original Assignee
Quantum Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Quantum Corp filed Critical Quantum Corp
Publication of JP2005339775A publication Critical patent/JP2005339775A/ja
Pending legal-status Critical Current

Links

Images

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/58—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B5/584—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on tapes
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/102—Programmed access in sequence to addressed parts of tracks of operating record carriers
    • G11B27/107—Programmed access in sequence to addressed parts of tracks of operating record carriers of operating tapes
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
    • G11B27/30—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording
    • G11B27/3027—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording used signal is digitally coded
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/90—Tape-like record carriers

Landscapes

  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
JP2005149525A 2004-05-24 2005-05-23 記憶媒体に対するトランスデューサヘッドの位置を検知するための方法、磁気記憶媒体の表面に近接して磁気ヘッドを位置決めするためのサーボ制御システム、磁気記憶媒体に長手方向のサーボトラックを書込むための方法、および長手方向のサーボトラックを含む磁気記憶媒体 Pending JP2005339775A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/854,078 US7158338B2 (en) 2004-05-24 2004-05-24 Servo track having periodic frames of tone field and embedded synchronization marks

Publications (1)

Publication Number Publication Date
JP2005339775A true JP2005339775A (ja) 2005-12-08

Family

ID=34941427

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005149525A Pending JP2005339775A (ja) 2004-05-24 2005-05-23 記憶媒体に対するトランスデューサヘッドの位置を検知するための方法、磁気記憶媒体の表面に近接して磁気ヘッドを位置決めするためのサーボ制御システム、磁気記憶媒体に長手方向のサーボトラックを書込むための方法、および長手方向のサーボトラックを含む磁気記憶媒体

Country Status (3)

Country Link
US (4) US7158338B2 (fr)
EP (1) EP1600967A3 (fr)
JP (1) JP2005339775A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011512608A (ja) * 2008-02-19 2011-04-21 インターナショナル・ビジネス・マシーンズ・コーポレーション 縦方向位置データのエラー訂正機能を有するテープ記憶システム、そのエラー訂正機能を符号化する方法、及びそのプログラム
JP2011514617A (ja) * 2008-03-20 2011-05-06 インターナショナル・ビジネス・マシーンズ・コーポレーション 長手位置情報を含むシーケンシャル・データ記憶媒体および該媒体中の該長手位置情報を符号化する方法

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7158338B2 (en) * 2004-05-24 2007-01-02 Quantum Corporation Servo track having periodic frames of tone field and embedded synchronization marks
US7362525B2 (en) * 2005-07-22 2008-04-22 Quantum Corporation PRML based magnetic servo position demodulator
US7428118B2 (en) * 2005-11-28 2008-09-23 Quantum Corporation LTM compensation methods and systems for magnetic servo writing
US7477474B2 (en) 2007-03-28 2009-01-13 Quantum Corporation Servo writing and decoding position error signal for linear tape drives
US7773333B2 (en) * 2007-08-10 2010-08-10 International Business Machines Corporation Recording data simultaneously at two depths of a tilted magnetic medium
US7848039B2 (en) * 2007-08-11 2010-12-07 Hitachi Global Storage Technologies Netherlands B.V. Magnetic recording disk and disk drive with patterned phase-type servo fields for read/write head positioning
US7586709B2 (en) * 2007-09-28 2009-09-08 Hitachi Global Storage Technologies Netherlands B.V. Read write offset error correction using geometric reference in self servo write process
JP5063377B2 (ja) * 2008-01-10 2012-10-31 インターナショナル・ビジネス・マシーンズ・コーポレーション テープ媒体に対してデータの書込み／読出しを行う装置及び方法
US7990644B2 (en) * 2008-02-29 2011-08-02 International Business Machines Corporation Apparatus and method to decode linear position information encoded in a sequential information storage medium
US7864487B2 (en) 2008-05-09 2011-01-04 International Business Machines Corporation Head design for writing servo patterns on magnetic tape
US7881008B2 (en) * 2008-05-09 2011-02-01 International Business Machines Corporation Joint specification of servo format and servo reader parameters for tape drive systems
EP2301029A2 (fr) * 2008-06-18 2011-03-30 International Business Machines Corporation Servocommande dans les lecteurs de bandes
US8913340B2 (en) * 2008-06-18 2014-12-16 International Business Machines Corporation Systems and methods for writing servo patterns
US7929243B2 (en) * 2009-02-06 2011-04-19 International Business Machines Corporation Setting edge stress signal in magnetic tape data storage cartridge memory in response to servo detection error signals
US8339726B2 (en) * 2009-12-22 2012-12-25 Quantum Corporation Unique media identifier
US8446684B2 (en) 2010-01-21 2013-05-21 International Business Machines Corporation Magnetic tape servo format allowing for increased linear tape density and systems thereof
US8139312B2 (en) 2010-03-02 2012-03-20 International Business Machines Corporation Timing alternative intervals within a timing based servo band
GB2496006A (en) 2011-10-28 2013-05-01 Ibm Longitudinal position information on a magnetic tape media
US10734016B2 (en) * 2018-08-21 2020-08-04 Marvell Asia Pte, Ltd. Pulse-based writing for magnetic storage media
US10614846B1 (en) 2019-05-17 2020-04-07 International Business Machines Corporation Measuring servo reader span on a magnetic recording head

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001006140A (ja) * 1999-05-19 2001-01-12 Internatl Business Mach Corp <Ibm> サーボ・ギャップ検出器、検出方法およびサーボ・システム
JP2002074631A (ja) * 2000-08-16 2002-03-15 Internatl Business Mach Corp <Ibm> テープ・ドライブおよびそのサーボ・システム安定化方法
JP2003257009A (ja) * 2002-03-01 2003-09-12 Imation Corp タイムベースのサーボ位置決め方法

Family Cites Families (65)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3845500A (en) * 1973-11-12 1974-10-29 Ibm Head to track alignment in a rotating head magnetic tape unit
US4616574A (en) * 1984-05-25 1986-10-14 Empire State Electric Energy Research Corp. (Eseerco) Process for treating combustion systems with pressure-hydrated dolomitic lime
US4616275A (en) * 1984-10-22 1986-10-07 Priam Corporation Disc servo with 1F-2F servo pattern
US5371638A (en) * 1992-06-24 1994-12-06 Digital Equipment Corporation Servo method and apparatus for very high track density magnetic recording by adjusting head position based on servo information read from adjacent track
US5314913A (en) * 1992-12-08 1994-05-24 American Home Products Corporation 4- or 5-(substituted sulfonyl)methyl-3(2H)-furanones
US5384671A (en) 1993-12-23 1995-01-24 Quantum Corporation PRML sampled data channel synchronous servo detector
US5452165A (en) * 1994-03-16 1995-09-19 International Business Machines Corporation Close packed magnetic head linear array
US5689384A (en) 1994-06-30 1997-11-18 International Business Machines Corporation Timing based servo system for magnetic tape systems
US5576906A (en) * 1994-10-11 1996-11-19 Quantum Corporation Synchronous detection of concurrent servo bursts for fine head position in disk drive
DE4446431C2 (de) * 1994-12-23 1998-05-07 Siemens Ag Verfahren zur direkten Manipulation von Bildern auf einem Monitor mit einer Maus
JPH09167456A (ja) * 1995-12-15 1997-06-24 Fujitsu Ltd ディスク装置及びディスク媒体
US5995306A (en) * 1996-01-26 1999-11-30 Exabyte Corporation Handling defective frames on hard sectored magnetic tape
GB2315152B (en) * 1996-03-05 2000-08-16 Sony Corp Tracking control apparatus for tape-shaped recording medium
JP3724055B2 (ja) * 1996-05-10 2005-12-07 ブラザー工業株式会社 モータ制御装置
US6018434A (en) * 1997-01-14 2000-01-25 Quantum Corporation Tape cartridge having written-in-defect servo patterns for rapid head position calibration
US6023385A (en) * 1997-02-21 2000-02-08 Storage Technology Corporation Tape servo pattern with enhanced synchronization properties
US5898533A (en) 1997-02-21 1999-04-27 Storage Technology Corporation Tape servo pattern with embedded servo track number identification
US5930065A (en) * 1997-05-16 1999-07-27 International Business Machines Corporation Timing based servo longitudinal addressing
JP3670440B2 (ja) * 1997-05-20 2005-07-13 富士通株式会社 ディスク上の位置検出方法及びディスク装置並びにディスク
US6108159A (en) * 1997-07-14 2000-08-22 Quantum Corporation Data track edge follower servo method and apparatus
US6035040A (en) * 1997-10-17 2000-03-07 Nortel Networks Corporation System and method for decryption in the symbol domain
US6023386A (en) * 1997-10-31 2000-02-08 Cirrus Logic, Inc. Fault tolerant sync mark detector for synchronizing a time varying sequence detector in a sampled amplitude read channel
US6111719A (en) * 1998-03-06 2000-08-29 Hewlett-Packard Company Linear speed measurement independent of lateral position in linear tape systems
US6246535B1 (en) * 1998-11-13 2001-06-12 Quantum Corporation Optical apparatus for tracking a magnetic tape
US6542325B1 (en) * 1999-03-10 2003-04-01 Imation Corp. Time-based servo for magnetic storage media
US6657802B1 (en) 1999-04-16 2003-12-02 Infineon Technologies Corporation Phase assisted synchronization detector
US6606728B1 (en) 1999-06-23 2003-08-12 Agere Systems Inc. Rate (M/N) code encoder, detector, and decoder for control data
US6327105B1 (en) * 1999-06-23 2001-12-04 Iomega Corporation Apparatus and methods for low overhead, highly reliable determination of position of a magnetic storage medium
US6538182B1 (en) * 1999-07-06 2003-03-25 Senesco, Inc. DNA encoding a plant deoxyhypusine synthase, a plant eukaryotic initiation factor 5A, transgenic plants and a method for controlling senescence programmed and cell death in plants
US6239939B1 (en) * 1999-08-09 2001-05-29 International Business Machines Corporation Robust detection of data modulated into a timing based servo
US6512651B1 (en) * 2000-07-11 2003-01-28 Storage Technology Corporation Helical scan tape track following
US6580581B1 (en) * 2000-08-16 2003-06-17 International Business Machines Corporation Recovery of lateral position of a servo system with respect to longitudinal servo bands of a magnetic tape
US6721126B1 (en) * 2000-08-16 2004-04-13 International Business Machines Corporation Position identification for a coarse actuator portion of a compound actuator
JP4348851B2 (ja) 2000-09-21 2009-10-21 ソニー株式会社 記録媒体、ディスク記録装置および方法、並びにディスク再生装置及び方法
US6839196B2 (en) * 2001-05-24 2005-01-04 Quantum Corporation Magnetic track following servo algorithm using signal quality
US6865050B2 (en) 2001-06-07 2005-03-08 Fuji Photo Film Co., Ltd. Servo signal recording device and servo signal verifying device using edge detection
US6781778B1 (en) 2001-07-16 2004-08-24 Imation Corp. Time-based sectored servo data format
US6762900B2 (en) * 2001-07-17 2004-07-13 International Business Machines Corporation Method and apparatus for performing position error signal conditioning of LTO media servo format written-in velocity variation
US6791781B2 (en) * 2001-07-17 2004-09-14 International Business Machines Corporation Method and apparatus for providing linear position (LPOS) estimations
US6856484B2 (en) * 2001-09-05 2005-02-15 Quantum Corporation Magnetic servo of a recording head
US6760173B2 (en) 2001-09-27 2004-07-06 Texas Instruments Incorporation Synchronization servo mark detector and method having improved phase error immunity for use in mass data storage device, or the like
US6775092B2 (en) * 2001-12-07 2004-08-10 Quantum Corporation Lateral tape motion sensor
US6710967B2 (en) * 2001-12-28 2004-03-23 Storage Technology Corporation High frequency and low frequency servo pattern
US6721156B2 (en) * 2002-01-11 2004-04-13 Illinois Tool Works Inc. Primary/secondary wireless protector
US6879457B2 (en) * 2002-02-13 2005-04-12 International Business Machines Corporation Timing based servo with fixed distances between transitions
US6912104B2 (en) * 2002-04-30 2005-06-28 Storage Technology Corporation Timing based servo pattern incorporating band encoding
US7130140B1 (en) 2002-05-06 2006-10-31 Storage Technology Corporation Polarity encoded pattern for timing based servo
US7139151B2 (en) 2003-03-03 2006-11-21 Imation Corp. Band identification in time-based servopositioning formats
US7106544B2 (en) 2003-05-09 2006-09-12 Advanced Research Corporation Servo systems, servo heads, servo patterns for data storage especially for reading, writing, and recording in magnetic recording tape
US7035040B2 (en) * 2003-05-16 2006-04-25 Imation Corp. Sequenced time-based servo techniques
US7002763B2 (en) 2003-08-08 2006-02-21 International Business Machines Corporation Identification of laterally positioned servo bands employing differentiating characteristics of servo patterns
JP2005085421A (ja) 2003-09-11 2005-03-31 Fuji Photo Film Co Ltd 磁気テープおよびその製造方法、ならびにサーボライタおよびサーボ信号の書込み方法
US7171702B2 (en) * 2003-10-01 2007-02-06 H2O Guard, Inc. Toilet tank fill valve and method of operation
US7136255B2 (en) * 2003-10-20 2006-11-14 Quantum Corporation Servo methods and systems using masked medium edge position sensors
US7116514B2 (en) * 2003-10-20 2006-10-03 Quantum Corporation Methods and systems for magnetic recording
US7139152B2 (en) 2003-10-20 2006-11-21 Quantum Corporation Servo methods and systems using existing data structures and optical masks
US7085095B2 (en) * 2003-10-20 2006-08-01 Quantum Corporation Electromagnetic void-sensing probes and position control systems
US7149050B2 (en) * 2003-10-20 2006-12-12 Quantum Corporation Diffractive position sensors and control systems
US7102845B2 (en) 2003-10-20 2006-09-05 Quantum Corporation Servo methods and systems using existing data structures and medium edge position
US7038872B2 (en) * 2003-11-10 2006-05-02 Imation Corp. Servo patterns with inherent track ID
US7158338B2 (en) * 2004-05-24 2007-01-02 Quantum Corporation Servo track having periodic frames of tone field and embedded synchronization marks
US7095583B2 (en) 2004-06-02 2006-08-22 Imation Corp. Dual mode servo pattern
US7199958B2 (en) * 2004-08-25 2007-04-03 Imation Corp. Servo head with varying write gap width
US7362525B2 (en) * 2005-07-22 2008-04-22 Quantum Corporation PRML based magnetic servo position demodulator
US7428118B2 (en) * 2005-11-28 2008-09-23 Quantum Corporation LTM compensation methods and systems for magnetic servo writing

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001006140A (ja) * 1999-05-19 2001-01-12 Internatl Business Mach Corp <Ibm> サーボ・ギャップ検出器、検出方法およびサーボ・システム
JP2002074631A (ja) * 2000-08-16 2002-03-15 Internatl Business Mach Corp <Ibm> テープ・ドライブおよびそのサーボ・システム安定化方法
JP2003257009A (ja) * 2002-03-01 2003-09-12 Imation Corp タイムベースのサーボ位置決め方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011512608A (ja) * 2008-02-19 2011-04-21 インターナショナル・ビジネス・マシーンズ・コーポレーション 縦方向位置データのエラー訂正機能を有するテープ記憶システム、そのエラー訂正機能を符号化する方法、及びそのプログラム
JP2011514617A (ja) * 2008-03-20 2011-05-06 インターナショナル・ビジネス・マシーンズ・コーポレーション 長手位置情報を含むシーケンシャル・データ記憶媒体および該媒体中の該長手位置情報を符号化する方法

Also Published As

Publication number Publication date
US7245453B2 (en) 2007-07-17
US20070064328A1 (en) 2007-03-22
US20070064327A1 (en) 2007-03-22
US7522371B2 (en) 2009-04-21
EP1600967A2 (fr) 2005-11-30
US7158338B2 (en) 2007-01-02
US7522372B2 (en) 2009-04-21
US20050259349A1 (en) 2005-11-24
EP1600967A3 (fr) 2010-03-10
US20070070545A1 (en) 2007-03-29

Similar Documents

Publication Publication Date Title
JP2005339775A (ja) 記憶媒体に対するトランスデューサヘッドの位置を検知するための方法、磁気記憶媒体の表面に近接して磁気ヘッドを位置決めするためのサーボ制御システム、磁気記憶媒体に長手方向のサーボトラックを書込むための方法、および長手方向のサーボトラックを含む磁気記憶媒体
CN100447863C (zh) 转变之间具有固定距离的基于定时的伺服
KR101397738B1 (ko) 테이프 드라이브의 서보 제어
JP5607609B2 (ja) サーボ制御システム
US8848310B2 (en) Offset correction values on a data storage media
JP2009151851A (ja) 磁気テープ、磁気テープ装置、サーボパターン記録装置、磁気テープの製造方法及び記録方法
EP1526512A1 (fr) Méthode pour servo et système utilisant des structures de données existantes et des masques optiques
US7116514B2 (en) Methods and systems for magnetic recording
JP2008243361A (ja) 磁気媒体に長手方向のサーボトラックを書込むための機器
US7102845B2 (en) Servo methods and systems using existing data structures and medium edge position
US7428118B2 (en) LTM compensation methods and systems for magnetic servo writing
US7495859B2 (en) Interleaved servo pattern
JP5309202B2 (ja) 磁気テープ
US7259930B2 (en) Apparatus for transporting a magnetic tape
JP4930617B2 (ja) 磁気テープ装置
EP0940812A2 (fr) Encodage de position longitudinale absolue dans des systèmes de bande linéaire
JP4918407B2 (ja) サーボ信号記録装置
US8059361B2 (en) Position signal processor
JP4940418B2 (ja) 磁気記憶装置及び磁気記憶媒体
JP2004259395A (ja) 磁気記録再生装置
JP2004039073A (ja) 磁気記録装置における基準信号発生装置

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20080516

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20110201

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20110222

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20110520

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20111025